| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White crystals | Conforms |
| Remnant in water | ≤0.30% | 0.15% |
| Chloride | ≤0.01% | 0.027% |
| Iron | ≤50ppm | 10ppm |
| Heavy metals | ≤50ppm | 5ppm |
| Assay | ≥98.0% | 99.15% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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